6.5 m/s26.5 \mathrm{~m} / \mathrm{s}^{2}6.5 m/s2
5.5 m/s25.5 \mathrm{~m} / \mathrm{s}^{2}5.5 m/s2
7.5 m/s27.5 \mathrm{~m} / \mathrm{s}^{2}7.5 m/s2
4.3 m/s24.3 \mathrm{~m} / \mathrm{s}^{2}4.3 m/s2